Tactical Trijicon ACOG TA01 Style 4x32 Cross Sight Rifle Scope + Kill Flash
TROBB Solid Aluminium Dovetail Power Block with Gmac hollow probe and G-mac Bolt
Gmac Brass Power Adjuster Spring And Guide/Drilled Out Standard Valve For more air space
Hammer Mods//Gmac 30% Lighter valve Spring/Gmac Brass Safety Catch//Transfer port drilled out
Full Gmac Trigger kit/Gmac barrel cut to 9inch/Weihrauch Silencer/Custom Home Made Grips/
New TRACER LEDRAY GL2 LAMP 90m Range Beam//HI-Pac
...is the fact that pressure usually drops rapidly as the charge expands behind the pellet.
So the energy contributed by the last inch of bore is generally much less than the energy contributed by the first inch, simply because the pressure - and therefore the push - behind the pellet is higher near the breech than near the muzzle.
This message has been edited by pneuguy from IP address 220.127.116.11 on Aug 12, 2011 3:18 PM